@kshesq I did work by setting root instances (I have two) on two instead of one switch.

@Clive_A well that setup is what I use. For all switches I use 2 routes 2000 and 300000 but on disconnecting the lower cost path I loose the network connection. The above setup works on 1 loop, but...

Hello, I Have 8 switches I have to configure on 4 different locations in the building. Every location gets 2 switches that are connected with SFP+ DAC cables. Connections between locations are with...